Paygate india Technical Lead Interview Questions and Answers

Memory management in Java involves automatic garbage collection and manual memory allocation.

• Java uses automatic garbage collection to free up memory

• Developers can manually allocate memory using the 'new' keyword

• Memory leaks can occur if objects are not properly released

• Java provides tools like the 'jmap' and 'jconsole' commands to monitor memory usage

Inheritance scenarios in object-oriented programming

• Single inheritance: a subclass inherits from a single superclass

• Multiple inheritance: a subclass inherits from multiple superclasses

• Multilevel inheritance: a subclass inherits from a superclass, which in turn inherits from another superclass

• Hierarchical inheritance: multiple subclasses inherit from a single superclass

• Hybrid inheritance: a combination of multiple and m